Restless Earth

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What is the Atmosphere?
The layer of gasres/air around us
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What is the hydrosphere?
The layer of water
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What is the biosphere?
The very thin layer of living things on the crust
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what are convection currents in the mantle?
Curculating movements of magma in the mantle caused by the heat of the core
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What is magnitude?
The size of an earthquake
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what is ocianic crust?
part of the crust made from dense basaltic rock
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What are plate margins?
The boundery between two tevnonic plates
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What are tecnonic hazards?
Threats posed by earthquakes and volcanos
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What is the core made of?
the solid inner core is made of iron and the liquid outer core is made of nickel
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What is contnental crust?
part of the crust made of less dense granitic rocks
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Other cards in this set

Card 2

Front

What is the hydrosphere?

Back

The layer of water

Card 3

Front

What is the biosphere?

Back

Preview of the front of card 3

Card 4

Front

what are convection currents in the mantle?

Back

Preview of the front of card 4

Card 5

Front

What is magnitude?

Back

Preview of the front of card 5
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